<template>
  <div>
    <vxe-button status="error" @click="removeSelectEvent">批量删除</vxe-button>
    <vxe-button status="success" @click="getRemoveEvent">获取已删除数据</vxe-button>
    <vxe-grid ref="gridRef" v-bind="gridOptions">
      <template #action="{ row }">
        <vxe-button mode="text" status="error" @click="removeRow(row)">删除</vxe-button>
      </template>
    </vxe-grid>
  </div>
</template>

<script lang="ts" setup>
import { ref, reactive } from 'vue'
import { VxeUI, VxeGridProps, VxeGridInstance } from 'vxe-table'
import XEUtils from 'xe-utils'

interface RowVO {
  id: number
  parentId: number | null
  name: string
  type: string
  size: number
  date: string
}

const gridRef = ref<VxeGridInstance<RowVO>>()

const removeRecords: RowVO[] = []

const gridOptions = reactive<VxeGridProps<RowVO> & { data: RowVO[] }>({
  border: true,
  showOverflow: true,
  keepSource: true,
  height: 400,
  rowConfig: {
    keyField: 'id'
  },
  treeConfig: {
    transform: true,
    rowField: 'id',
    parentField: 'parentId',
    childrenField: 'children'
  },
  editConfig: {
    trigger: 'click',
    mode: 'cell',
    showStatus: true
  },
  columns: [
    { type: 'checkbox', width: 70 },
    { field: 'name', title: 'Name', minWidth: 300, treeNode: true, editRender: { name: 'input' } },
    { field: 'size', title: 'Size', editRender: { name: 'input' } },
    { field: 'type', title: 'Type', editRender: { name: 'input' } },
    { field: 'date', title: 'Date', editRender: { name: 'input' } },
    { field: 'action', title: '操作', width: 140, slots: { default: 'action' } }
  ],
  data: [
    { id: 10000, parentId: null, name: 'Test1', type: 'mp3', size: 1024, date: '2020-08-01' },
    { id: 10050, parentId: null, name: 'Test2', type: 'mp4', size: 0, date: '2021-04-01' },
    { id: 24300, parentId: 10050, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
    { id: 20045, parentId: 24300, name: 'Test4', type: 'html', size: 600, date: '2021-04-01' },
    { id: 10053, parentId: 24300, name: 'Test5', type: 'avi', size: 0, date: '2021-04-01' },
    { id: 24330, parentId: 10053, name: 'Test6', type: 'txt', size: 25, date: '2021-10-01' },
    { id: 21011, parentId: 10053, name: 'Test7', type: 'pdf', size: 512, date: '2020-01-01' },
    { id: 22200, parentId: 10053, name: 'Test8', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 23666, parentId: null, name: 'Test9', type: 'xlsx', size: 2048, date: '2020-11-01' },
    { id: 23677, parentId: 23666, name: 'Test10', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 23671, parentId: 23677, name: 'Test11', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 23672, parentId: 23677, name: 'Test12', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 23688, parentId: 23666, name: 'Test13', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 23681, parentId: 23688, name: 'Test14', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 23682, parentId: 23688, name: 'Test15', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 24555, parentId: null, name: 'Test16', type: 'avi', size: 224, date: '2020-10-01' },
    { id: 24566, parentId: 24555, name: 'Test17', type: 'js', size: 1024, date: '2021-06-01' },
    { id: 24577, parentId: 24555, name: 'Test18', type: 'js', size: 1024, date: '2021-06-01' }
  ]
})

const removeRow = async (row: RowVO) => {
  const delIds: number[] = []
  XEUtils.eachTree([row], item => {
    if (!removeRecords.some(obj => item.id === obj.id)) {
      delIds.push(item.id)
      removeRecords.push(item)
    }
  }, { children: 'children' })
  gridOptions.data = gridOptions.data.filter(item => !delIds.includes(item.id))
  VxeUI.modal.message({
    content: '数据已删除',
    status: 'success'
  })
}

const removeSelectEvent = async () => {
  const $grid = gridRef.value
  if ($grid) {
    const selectRecords = $grid.getCheckboxRecords()
    if (selectRecords.length > 0) {
      const delIds: number[] = []
      XEUtils.eachTree(selectRecords, item => {
        if (!removeRecords.some(obj => item.id === obj.id)) {
          delIds.push(item.id)
          removeRecords.push(item)
        }
      }, { children: 'children' })
      gridOptions.data = gridOptions.data.filter(item => !delIds.includes(item.id))
      VxeUI.modal.message({
        content: '已删除选中',
        status: 'success'
      })
    } else {
      VxeUI.modal.message({
        content: '未选择数据',
        status: 'info'
      })
    }
  }
}

const getRemoveEvent = () => {
  VxeUI.modal.alert(`删除：${removeRecords.length} 行`)
}
</script>
